HTMLPurifier_Config::loadArray PHP Method

    public function loadArray($config_array)
    {
        if ($this->isFinalized('Cannot load directives after finalization')) {
            return;
        }
        foreach ($config_array as $key => $value) {
            $key = str_replace('_', '.', $key);
            if (strpos($key, '.') !== false) {
                $this->set($key, $value);
            } else {
                $namespace = $key;
                $namespace_values = $value;
                foreach ($namespace_values as $directive => $value2) {
                    $this->set($namespace . '.' . $directive, $value2);
                }
            }
        }
    }

 /**
  * @param  string|array|HTMLPurifier_Config $config
  * @param  HTMLPurifier_ConfigSchema $schema
  * @return HTMLPurifier_Config
  */
 public static function create($config = null, HTMLPurifier_ConfigSchema $schema = null)
 {
     if (!$schema instanceof HTMLPurifier_ConfigSchema) {
         $schema = HTMLPurifier_ConfigSchema::makeFromSerial();
     }
     if ($config instanceof HTMLPurifier_Config) {
         $configObj = $config;
     } else {
         $configObj = new HTMLPurifier_Config($schema);
         $configObj->set('Core.Encoding', 'UTF-8');
         $configObj->set('HTML.Doctype', 'HTML 4.01 Transitional');
         if (is_string($config)) {
             $configObj->loadIni($config);
         } elseif (is_array($config)) {
             $configObj->loadArray($config);
         }
     }
     $def = $configObj->getHTMLDefinition(true);
     // this finalizes config
     HTMLPurifier_HTML5Definition::setup($def);
     return $configObj;
 }